3 In accordance with the R.O.C. Patent Act, its enforcement rules and related regulations, the Specific
Patent Agency may reduce the patent annuity for patentee even if the patentee does not apply in writing for reduction. Which of the following patentees should file an application for reduction of the patent annuity?
(A) Natural person with Taiwan nationality.
(B) Foreign school.
(C) Domestic school.
(D) Natural person with foreign nationality.